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infra-red rays were first detected by?
the intensity level of sound is measured in?
the material used for a fuse wire should?
radioactivity is a property of?
what is the source of electric energy in an artificial
satellite?
the following is used as a lubricant in heavy machines?
supher, bauxite , graphite, phosphorus
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Answer / jibz
1.Infra red rays.....William Herschel
2.intensity........Decibels
3.Material in fuse wire.....Low melting point
4.Radioactivity...Property of z>83.
5.Source of Energy.........Solar cells
6.Lubricant...Graphite
| Is This Answer Correct ? | 2 Yes | 0 No |
Carbon tetrachloride fire extinguisher should not be used in closed rooms, because it produces a poisonous gas called 1 Carbon monoxide 2 Phosphine 3 Phosgene 4 None of these
Which is the largest comet?
methane is not present in
Ozone attacks 1 Mercury and silver 2 Copper 3 Silver and iron 4 None of these
What is the Metabolism ?
Which of the following is the best conductor of electricity? 1 Zinc 2 Copper 3 Gold 4 Silver
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Explain how you can integrate Life skills in Science Teaching
0 Answers Mahatma Gandhi University,
WHAT IS AMBER
Monazite is an ore of 1 Iron 2 Titanium 3 Thorium 4 Zirconium
The disease that is caused by viral infection is
Biological Sciences 
